РАЗЛАГАНЕ  НА  МНОГОЧЛЕНИ  НА  МНОЖИТЕЛИ  -  ТЕСТ

РАЗЛАГАНЕ НА МНОГОЧЛЕНИ НА МНОЖИТЕЛИ - ТЕСТ

7th Grade

33 Qs

quiz-placeholder

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РАЗЛАГАНЕ  НА  МНОГОЧЛЕНИ  НА  МНОЖИТЕЛИ  -  ТЕСТ

РАЗЛАГАНЕ НА МНОГОЧЛЕНИ НА МНОЖИТЕЛИ - ТЕСТ

Assessment

Quiz

Mathematics

7th Grade

Medium

Created by

Galina Kostadinova

Used 3+ times

FREE Resource

33 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Многочленът       12x218y2+30xy12x^2-18y^2+30xy  
се разлага на множители по следния начин: 

 6(2x23y25xy)6\left(2x^2-3y^2-5xy\right)  

 6(2x2+3y25xy)6\left(2x^2+3y^2-5xy\right)  

 6(2x2+3y2+5xy)6\left(2x^2+3y^2+5xy\right)  

 6(2x23y2+5xy)6\left(2x^2-3y^2+5xy\right)  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Многочленът     25x3y830x7y2+15x9y525x^3y^8-30x^7y^2+15x^9y^5  
  
разложен на множители е:

 5x3y2(5y6+6x4+3x6y3)5x^3y^2\left(5y^6+6x^4+3x^6y^3\right)  

 5x3y2(5y66x4+3x6y3)5x^3y^2\left(5y^6-6x^4+3x^6y^3\right)  

 5x3y2(5xy66x4y+3x6y3)5x^3y^2\left(5xy^6-6x^4y+3x^6y^3\right)  

 5x3y2(5xy6+6x4y+3x6y3)5x^3y^2\left(5xy^6+6x^4y+3x^6y^3\right)  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Изразът    5x(a7)+3y(a7)z(7a)5x\left(a-7\right)+3y\left(a-7\right)-z\left(7-a\right)      
е тъждествено равен на:

 (a7)(5x+3yz)\left(a-7\right)\left(5x+3y-z\right)  

 (a7)(5x+3y+z)\left(a-7\right)\left(5x+3y+z\right)  

 (a7)(5x3yz)\left(a-7\right)\left(5x-3y-z\right)  

 (a7)(5x3y+z)\left(a-7\right)\left(5x-3y+z\right)  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Изразът    5a(x6)22b(6x)25a\left(x-6\right)^2-2b\left(6-x\right)^2     
е тъждествено равен на: 

 (x6)2(5a2b)\left(x-6\right)^2\left(5a-2b\right)  

 (x6)2(5a+2b)\left(x-6\right)^2\left(5a+2b\right)  

 (x+6)2(5a2b)\left(x+6\right)^2\left(5a-2b\right)  

 (x6)(5a2b)\left(x-6\right)\left(5a-2b\right)  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Многочленът    2a(x4)3+5b(4x)32a\left(x-4\right)^3+5b\left(4-x\right)^3  
  е тъждествено равен на:

 (x4)3(2a+5b)\left(x-4\right)^3\left(2a+5b\right)  

 (x4)3(2a5b)\left(x-4\right)^3\left(2a-5b\right)  

 (4x)3(2a+5b)\left(4-x\right)^3\left(2a+5b\right)  

 (x4)(2a+5b)\left(x-4\right)\left(2a+5b\right)  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Многочленът    25x249y225x^2-49y^2       е тъждествено равен на:

 (5x7y)2\left(5x-7y\right)^2  

 (5x7y)(5x+7y)\left(5x-7y\right)\left(5x+7y\right)  

 (25x49y)2\left(25x-49y\right)^2  

 (25x49y)(25x+49y)\left(25x-49y\right)\left(25x+49y\right)  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Разложете на множители:   (x4)216x2\left(x-4\right)^2-16x^2  .

 (3x+4)(45x)\left(3x+4\right)\left(4-5x\right)  

 (3x+4)(5x4)\left(3x+4\right)\left(5x-4\right)  

 (3x4)(5x4)\left(3x-4\right)\left(5x-4\right)  

 (3x4)(45x)\left(3x-4\right)\left(4-5x\right)  

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